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Introducing Red Hat Enterprise Linux 5

Enterprise Linux Features

Red Hat Enterprise Linux 5, released in March 2007, contains more than 1200 components with development spanning over a two year period, so there are a huge number of new features covering a broad range of functionality. Red Hat Enterprise Linux 5 provides CIOs and IT managers with the means to reduce costs while improving operational flexibility throughout their computing infrastructure.

Configure a storage system or high-performance computing workstation with Red Hat Enterprise Linux 5

The following list provides a brief summary of the more important enhancements. For additional details, see the server and desktop product sections on the Red Hat website.

Virtualization on Red Hat Enterprise Linux 5

  • Virtualization is provided in all Linux Server products and is optionally available for Client products
  • Network Attached Storage and extended server virtualization are provided with Red Hat Enterprise Linux Advanced Platform
  • Red Hat Network supports virtualized guest operating systems
  • virt-manager, libvirt/virsh management tools

Kernel and Performance

  • Based on the Linux 2.6.18 kernel
  • Support for multi-core processors
  • Broad range of new hardware support
  • Updated crash dump capability provided by Kexec/Kdump
  • Support for Intel Network Accelerator Technology (IOAT)
  • Numerous enhancements for large SMP systems
  • Enhanced pipe buffering
  • IPv4/IPv6 fragmentation offload and buffer management
  • Dynamically switchable per-queue I/O schedulers
  • Kernel buffer splice capability for improved I/O buffer operations


Transition of previous Red Hat Enterprise Linux AS, ES, WS and Red Hat Desktop offerings with simplified server and client products:


  • Red Hat Enterprise Linux Advanced Platform - formerly known as Red Hat Enterprise Linux AS
  • Red Hat Enterprise Linux - formerly known as Red Hat Enterprise Linux ES


  • Red Hat Enterprise Linux Desktop - formerly known as Red Hat Desktop
  • Red Hat Enterprise Linux Desktop with Workstation option - formerly known as Red Hat Enterprise Linux WS


  • SELinux enhancements include Multi-Level Security and targeted policies for all services
  • SEtroubleshooter GUI simplifies SELinux management
  • Integrated directory and security capabilities
  • IPSEC enhancements improve security and performance
  • ExecShield enhancements, such as a call frame Canary word, strengthen hacker defenses
  • New Audit features provide powerful new search/reporting and real-time monitoring

Networking & Interoperability

  • Network storage enhancements include Autofs, FS-Cache, and iSCSI support
  • IPv6 support and conformance enhancements
  • Improved Microsoft ® file/print and Active Directory integration


  • Desktop enhancements include updated configuration tools, applications, and laptop support
  • Foundational Stateless Linux features (X autoconfigure, NetworkManager, etc.)
  • Improved ACPI support with features such as suspend to disk
  • Smart card login - with PKI/Kerberos authentication
  • Integrated multimedia support
  • Enhanced plug and play hardware support (cameras, printers, scanners, etc.)
  • Network Manager provides automatic wired and wireless network configuration
  • Enhanced graphics using AIGLX/Compiz (with fading, transparency, etc.)

Development Environment

  • Enhanced application development tools including SystemTap profiler and Frysk debugger
  • GCC 4.1 and glibc 2.5 toolchain


  • Support for root device multipath IO (MPIO) improves availability
  • Single system/guest version of Red Hat Global File System included in the base server product
  • Block device data encryption support


  • Numerous installer improvements make system configuration simpler
  • Yum/Pup-based updater for Red Hat Network
  • Conga cluster and storage management (with Advanced Platform)

You can have this state of the art operating system pre installed on your next system from Pogo Linux.

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